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427910187760 = 245114722945179
BaseRepresentation
bin1100011101000010110…
…11110100101011110000
31111220111210111210220121
412032201123310223300
524002330002002020
6524325040220024
742626004403546
oct6164133645360
91456453453817
10427910187760
11155526166580
126ab2230a614
1331475a71743
14169d4c53d96
15b1e6d1dbaa
hex63a16f4af0

427910187760 has 160 divisors (see below), whose sum is σ = 1113293030400. Its totient is φ = 151624596480.

The previous prime is 427910187743. The next prime is 427910187781. The reversal of 427910187760 is 67781019724.

It is a junction number, because it is equal to n+sod(n) for n = 427910187698 and 427910187707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9448851 + ... + 9494029.

It is an arithmetic number, because the mean of its divisors is an integer number (6958081440).

Almost surely, 2427910187760 is an apocalyptic number.

427910187760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427910187760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556646515200).

427910187760 is an abundant number, since it is smaller than the sum of its proper divisors (685382842640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427910187760 is a wasteful number, since it uses less digits than its factorization.

427910187760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45479 (or 45473 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 427910187760 in words is "four hundred twenty-seven billion, nine hundred ten million, one hundred eighty-seven thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 47 55 80 88 94 110 176 188 220 229 235 376 440 458 470 517 752 880 916 940 1034 1145 1832 1880 2068 2290 2519 2585 3664 3760 4136 4580 5038 5170 8272 9160 10076 10340 10763 12595 18320 20152 20680 21526 25190 40304 41360 43052 45179 50380 53815 86104 90358 100760 107630 118393 172208 180716 201520 215260 225895 236786 361432 430520 451790 473572 496969 591965 722864 861040 903580 947144 993938 1183930 1807160 1894288 1987876 2123413 2367860 2484845 3614320 3975752 4246826 4735720 4969690 7951504 8493652 9471440 9939380 10345991 10617065 16987304 19878760 20691982 21234130 23357543 33974608 39757520 41383964 42468260 46715086 51729955 82767928 84936520 93430172 103459910 113805901 116787715 165535856 169873040 186860344 206919820 227611802 233575430 373720688 413839640 455223604 467150860 486261577 569029505 827679280 910447208 934301720 972523154 1138059010 1820894416 1868603440 1945046308 2276118020 2431307885 3890092616 4552236040 4862615770 5348877347 7780185232 9104472080 9725231540 10697754694 19450463080 21395509388 26744386735 38900926160 42791018776 53488773470 85582037552 106977546940 213955093880 427910187760